Single-laser, one beam, tetrahedral magneto-optical trap
Single-laser, one beam, tetrahedral magneto-optical trap
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DOI：
10.1364/oe.17.013601
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发表时间：
2009-08-03
期刊：
影响因子：
3.8
通讯作者：
Arnold, Aidan S.
中科院分区：
文献类型：
--
作者：
Vangeleyn, Matthieu;Griffin, Paul F.;Arnold, Aidan S.
我们已经实现了一个4光束金字塔磁光阱非常适合未来的微加工。三面镜子将一束入射光束分成三束，并将其引导到反射光束的三脚架中，从而可以在四束重叠的体积中捕获。我们讨论了反射镜角度对冷却和捕获的影响，在四面体配置中找到最佳效率。我们演示了使用前真空镜系统来说明以前无法访问的超平面金字塔MOT配置的技术。与标准金字塔MOT不同，金字塔顶点及其镜面角度都不重要，我们的MOT提供了改进的糖蜜，在激光束中没有原子阴影。MOT方案自然地扩展到具有高光学访问的2光束折射版本。对于量子气体实验，该镜系统也可以用于稳定的3D四面体光学晶格。(C)2009年美国光学学会
We have realized a 4-beam pyramidal magneto-optical trap ideally suited for future microfabrication. Three mirrors split and steer a single incoming beam into a tripod of reflected beams, allowing trapping in the four-beam overlap volume. We discuss the influence of mirror angle on cooling and trapping, finding optimum efficiency in a tetrahedral configuration. We demonstrate the technique using an ex-vacuo mirror system to illustrate the previously inaccessible supra-plane pyramid MOT configuration. Unlike standard pyramidal MOTs both the pyramid apex and its mirror angle are non-critical and our MOT offers improved molasses free from atomic shadows in the laser beams. The MOT scheme naturally extends to a 2-beam refractive version with high optical access. For quantum gas experiments, the mirror system could also be used for a stable 3D tetrahedral optical lattice. (C) 2009 Optical Society of America